ZIP code 83251: Mackay, ID
83251 is a ZIP code in Mackay, Idaho, mainly in Custer County. About 1,443 people live here.
- Population
- 1,443
- Median household income
- $73,482
- Typical home value
- $318,700+3.3% in 12 months
- Median rent
- —gross, per month
- Median age
- 60.6
- Homeowners
- 79.3%of occupied homes
Shaded: ZIP code 83251's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 83251 details
| City | Mackay |
|---|---|
| State | Idaho |
| County | Custer County |
| Metro area | Not in a metro or micro area |
| Time zone | Mountain Time (UTC−7), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 1,124.2 sq mi, plus 3 sq mi of water |
| Population density | 1 people per sq mi |
| Bachelor's degree or higher | 31.8% of adults 25+ |
| Average commute | 20.7 minutes |
| Center coordinates | 43.94470, -113.94466 |
ZIP codes near 83251
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 83353 | Sun Valley, ID | 25.8 mi | 1,450 |
| 83354 | Sun Valley, ID | 26.7 mi | 10 |
| 83255 | Moore, ID | 29.1 mi | 1,222 |
| 83333 | Hailey, ID | 29.7 mi | 12,682 |
| 83226 | Challis, ID | 29.7 mi | 2,100 |
| 83227 | Clayton, ID | 31.1 mi | 200 |
| 83340 | Ketchum, ID | 34.9 mi | 5,325 |
| 83320 | Carey, ID | 37.4 mi | 1,600 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 83251?
A typical home in ZIP code 83251 is worth about $318,700 (Zillow Home Value Index). The median household here earns $73,482 a year. See what buying here would cost per month, with Idaho average taxes and insurance filled in.
Monthly payment for a $318,700 homeWhat can a $73,482 income afford?Rental property numbers
About ZIP code 83251
What city is ZIP code 83251?
ZIP code 83251 is in Mackay, ID, in Custer County.
What county is ZIP code 83251 in?
83251 is mainly in Custer County, Idaho.
What is the population of ZIP code 83251?
About 1,443 people live in ZIP code 83251, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 83251 in?
83251 is in Mountain Time (UTC−7). It observes daylight saving time.